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All results from a given calculation for BeCl (beryllium monochloride)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-474.299710
Energy at 298.15K-474.298816
HF Energy-474.151307
Nuclear repulsion energy19.997610
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 882 832 137.70      

Unscaled Zero Point Vibrational Energy (zpe) 441.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 415.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G*
B
0.72659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.459
Cl2 0.000 0.000 0.343

Atom - Atom Distances (Å)
  Be1 Cl2
Be11.8026
Cl21.8026

picture of beryllium monochloride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability